28807002

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 120

約数和(自身を含む): 79453440

約数和(自身を除く): 50646438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 49, 54, 57, 63, 81, 98, 114, 126, 133, 147, 162, 171, 189, 191, 266, 294, 342, 378, 382, 399, 441, 513, 567, 573, 798, 882, 931, 1026, 1134, 1146, 1197, 1323, 1337, 1539, 1719, 1862, 2394, 2646, 2674, 2793, 3078, 3438, 3591, 3629, 3969, 4011, 5157, 5586, 7182, 7258, 7938, 8022, 8379, 9359, 10314, 10773, 10887, 12033, 15471, 16758, 18718, 21546, 21774, 24066, 25137, 25403, 28077, 30942, 32661, 36099, 50274, 50806, 56154, 65322, 72198, 75411, 76209, 84231, 97983, 108297, 150822, 152418, 168462, 177821, 195966, 216594, 228627, 252693, 293949, 355642, 457254, 505386, 533463, 587898, 685881, 758079, 1066926, 1371762, 1516158, 1600389, 2057643, 3200778, 4115286, 4801167, 9602334, 14403501, 28807002]

約数ペア:

[(1, 28807002), (2, 14403501), (3, 9602334), (6, 4801167), (7, 4115286), (9, 3200778), (14, 2057643), (18, 1600389), (19, 1516158), (21, 1371762), (27, 1066926), (38, 758079), (42, 685881), (49, 587898), (54, 533463), (57, 505386), (63, 457254), (81, 355642), (98, 293949), (114, 252693), (126, 228627), (133, 216594), (147, 195966), (162, 177821), (171, 168462), (189, 152418), (191, 150822), (266, 108297), (294, 97983), (342, 84231), (378, 76209), (382, 75411), (399, 72198), (441, 65322), (513, 56154), (567, 50806), (573, 50274), (798, 36099), (882, 32661), (931, 30942), (1026, 28077), (1134, 25403), (1146, 25137), (1197, 24066), (1323, 21774), (1337, 21546), (1539, 18718), (1719, 16758), (1862, 15471), (2394, 12033), (2646, 10887), (2674, 10773), (2793, 10314), (3078, 9359), (3438, 8379), (3591, 8022), (3629, 7938), (3969, 7258), (4011, 7182), (5157, 5586)]